Lumra, Bellow of the Woods, Port of Karfell, Archelos, Lagoon Mystic, and Squandered Resources

Prerequisites

• Lumra, Bellow of the Woods in the graveyard
• Port of Karfell on the battlefield
• Archelos, Lagoon Mystic on the battlefield
• Squandered Resources on the battlefield
• You can produce at least between sacrificing lands excluding Port of Karfell to Squandered Resources and/or by tapping those lands for mana

Steps

1. If desired, activate any number of other mana-producing lands you control by tapping them, adding at least for each land tapped this way
2. Activate Squandered Resources by sacrificing a mana-producing land other than Port of Karfell, adding or if possible, or any other type of mana otherwise
3. Repeat step 2 until you control no other mana-producing lands except Port of Karfell
4. Activate Port of Karfell's second ability by paying , tapping and sacrificing it, causing you to mill four cards and return Lumra from your graveyard to the battlefield tapped
5. Lumra enters the battlefield and dies as a state-based action due to having 0 toughness
6. Lumra's enter-the-battlefield ability triggers, causing you to mill four cards and return all land cards from your graveyard to the battlefield untapped due to Archelos
7. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite landfall triggers
• Infinite LTB
• Infinite mana lands you control can produce
• Infinite sacrifice triggers
• Infinite self-mill
• Put all land cards from your library and graveyard onto the battlefield